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Method for improving temperature in rotary kiln

A rotary kiln, internal temperature technology, applied in the field of increasing the internal temperature of the rotary kiln, can solve the problem that the production line is difficult to reach the roasting temperature, etc., to achieve the effect of making up for the lack of calorific value, increasing the amount of use, and more heat

Inactive Publication Date: 2014-12-03
SICHUAN DESHENG GRP VANADIUM & TITANIUM CO LTD
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Problems solved by technology

[0003] The roasting of pellets in the rotary kiln needs to be carried out at high temperature, but due to the limitation of gas calorific value, it is difficult for some production lines in the existing equipment to reach the predetermined roasting temperature

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] The invention provides a method for increasing the temperature in the rotary kiln. The kiln head spray gun of the rotary kiln is provided with multi-layer gas supply layers, including the inner gas flow layer, and the inner flow air layer on the surface of the inner gas flow layer is surrounded by The main gas flow layer on the surface of the inner gas flow layer is surrounded by the outer flow layer on the surface of the main gas flow layer, and the mid...

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Abstract

The invention provides a method for improving the temperature in a rotary kiln. A kiln head spray gun of the rotary kiln is internally provided with a plurality of gas supply layers which include the inner gas flow layer, the inner flow air layer arranged on the surface of the inner gas flow layer in a surrounding mode, the main gas flow layer arranged on the surface of the inner flow air layer in a surrounding mode and the outer flow air layer arranged on the surface of the main gas flow layer in a surrounding mode, wherein the middle of the inner gas flow layer is further provided with a center flow air layer arranged in the flow direction of the inner gas flow layer, and a center flow air layer is further arranged in the inner gas flow layer. Thus, after gas is output, the two layers of gas is sandwiched between two layers of air, in the combustion process, combustion is simultaneously conducted on the interior and the exterior of each gas layer, the gas can be combusted more sufficiently, more heat is provided, the requirement for low-heating-value and large-flow gas combustion can be better met, the insufficiency of the heat values is overcome by adding the using amount, and a higher temperature can be obtained in the rotary kiln.

Description

technical field [0001] The invention relates to the technical field of rotary kiln equipment, more specifically, to a method for increasing the temperature in the rotary kiln. Background technique [0002] In many production industries such as building materials, metallurgy, chemical industry, environmental protection, etc., rotary kiln equipment is widely used for mechanical, physical or chemical treatment of solid materials. [0003] The roasting of pellets in the rotary kiln needs to be carried out at high temperature, but due to the limitation of gas calorific value, it is difficult for some production lines in the existing equipment to reach the predetermined roasting temperature. [0004] Therefore, how to improve the roasting temperature in the rotary kiln is a problem to be solved urgently by those skilled in the art. Contents of the invention [0005] In view of this, the present invention provides a method for increasing the temperature in the rotary kiln, so as...

Claims

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Application Information

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IPC IPC(8): F27B7/34F27B7/28
Inventor 杨百顺麦吉昌廖远峰万成周平毛晓斌
Owner SICHUAN DESHENG GRP VANADIUM & TITANIUM CO LTD
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